30326761 has 2 divisors, whose sum is σ = 30326762. Its totient is φ = 30326760.

The previous prime is 30326753. The next prime is 30326783. The reversal of 30326761 is 16762303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16451136 + 13875625 = 4056^2 + 3725^2 .

It is a cyclic number.

It is not a de Polignac number, because 30326761 - 2³ = 30326753 is a prime.

It is a super-2 number, since 2×30326761² = 1839424865502242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30326741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15163380 + 15163381.

It is an arithmetic number, because the mean of its divisors is an integer number (15163381).

Almost surely, 2^30326761 is an apocalyptic number.

It is an amenable number.

30326761 is a deficient number, since it is larger than the sum of its proper divisors (1).

30326761 is an equidigital number, since it uses as much as digits as its factorization.

30326761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 30326761 is about 5506.9738513997. The cubic root of 30326761 is about 311.8473153043.

The spelling of 30326761 in words is "thirty million, three hundred twenty-six thousand, seven hundred sixty-one".